Table 59. Directional earth-fault protection (DEFxPDEF) main settings
Parameter
Function
Value (Range)
Step
Start value
DEFLPDEF
0.010...5.000 × I
n
0.005
DEFHPDEF
0.10...40.00 × I
n
0.01
Directional mode
DEFxPDEF
1 = Non-directional
2 = Forward
3 = Reverse
-
Time multiplier
DEFxPDEF
0.025...15.000
0.005
Operate delay time
DEFLPDEF
50...300000 ms
10
DEFHPDEF
40...300000 ms
10
Operating curve type
1)
DEFLPDEF
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19
DEFHPDEF
Definite or inverse time
Curve type: 1, 3, 5, 15, 17
Operation mode
DEFxPDEF
1 = Phase angle
2 = IoSin
3 = IoCos
4 = Phase angle 80
5 = Phase angle 88
-
1)
For further reference, see the Operating characteristics table
Table 60. Three-phase power directional element (DPSRDIR) main settings
Parameter
Function
Value (Range)
Step
Release delay time
DPSRDIR
0...1000 ms
1
Characteristic angle
DPSRDIR
-179...180°
1
Directional mode
DPSRDIR
1 = Non-directional
2 = Forward
3 = Reverse
-
Table 61. Neutral power directional element (DNZSRDIR) main settings
Parameter
Function
Value (Range)
Step
Release delay time
DNZSRDIR
0...1000 ms
10
Directional mode
DNZSRDIR
1 = Non-directional
2 = Forward
3 = Reverse
-
Characteristic angle
DNZSRDIR
-179...180°
1
Pol quantity
DNZSRDIR
3 = Zero seq. volt.
4 = Neg. seq. volt.
-
1MRS759144 A
REX640
Product version: 1
48
ABB
Содержание RELION REX640
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